//Add signature
private void addSignature(List <InkStroke> strokes)
{
if (strokes.Count == 0)
{
DisplayNoSignaturesDialog();
return;
}
Debug.WriteLine("Adam dodaje podpis.");
bool isOriginal = false;
//IsChecked zwraca typ 'bool?', może posiadać wartość null stąd dodatkowy if tutaj sprawdzający czy nie zwraca nulla
if (isOriginalCheckBox.IsChecked.HasValue)
{
isOriginal = isOriginalCheckBox.IsChecked.Value;
}
else
{
throw new Exception("isOriginal inputbox nie posiada wartości (jest wyłączony?)");
}
try
{
var author = authorController.getAuthor(authorCombobox.SelectedItem.ToString());
if (signatureController.addSignature(strokes, author, isOriginal) == null)
{
DisplayWarningMessage("Błąd", "Próba dodania podpisu zakończona niepowodzeniem");
}
}
catch (System.NullReferenceException)
{
DisplayWarningMessage("Błąd", "Próba dodania podpisu zakończona niepowodzeniem");
}
}
private List <Signature> getOriginalSignaturesFromAuthor()
{
List <Signature> signatureList = new List <Signature>();
if (this.authorCombobox.Items.Any())
{
signatureList = authorController.getAuthor(this.authorCombobox.SelectedItem.ToString()).getOriginalSignatures();
}
return(signatureList);
}
private string kNearestNeighbours(List <double> inputFeatures)
{
const int k = 10;
return(authorController.getAuthorsNames().Select(name => authorController.getAuthor(name)).
Select(author => author.getOriginalSignatures().Select(sgn => Tuple.Create(author.getName(), sgn))).
SelectMany(x => x).AsEnumerable().Select(x => Tuple.Create(x.Item1, buildFeatures(x.Item2))).
Select(x => Tuple.Create(x.Item1, L1(inputFeatures, x.Item2))).OrderByDescending(x => x.Item2).
Take(k).GroupBy(x => x.Item1).OrderByDescending(grp => grp.Count()).First().Select(x => x.Item1).First());
}